[THIN] Re: WAN Accelerators and WAN Accelerators with CItrix

  • From: "Tony Lyne" <Tony.Lyne@xxxxxxxxxxx>
  • To: thin@xxxxxxxxxxxxx
  • Date: Tue, 19 Sep 2006 09:29:05 +1200

From memory I dont believe Riverbed accelerators dont support Citrix ICA type 
protocols due to the way they work.
We had a riverbed consultant here the other day talking about them and he 
advised forget it if you want to use ICA over it, it just passes is through. 
the Riverbed Accelerators are more of a disassembler/assembler and do pattern 
matching on the traffic comming through then reconstruct the traffic at the 
recieving end. They work very well on normal streaming type data such as SMB, 
SQL etc but for other traffic such as ICA apparently it just passes it through 
and cant do anything with it.


From: thin-bounce@xxxxxxxxxxxxx on behalf of Robert K Coffman Jr - Info From 
Sent: Tue 19/09/2006 1:05 a.m.
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: WAN Accelerators and WAN Accelerators with CItrix

Timely topic.  I just found out that we are installing Riverbed Accelerators.  
Anyone using these?
- Bob Coffman

        -----Original Message-----
        From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On 
Behalf Of Joe Shonk
        Sent: Saturday, September 16, 2006 1:16 PM
        To: thin@xxxxxxxxxxxxx
        Subject: [THIN] Re: WAN Accelerators and WAN Accelerators with CItrix

        Which product are you looking at?  Expand, for example, claims 
300%-400% acceleration for ICA traffic.  Some Citrix SEs are seeing a slight 
bump in performance by piping ICA traffic through the NetScaler...   No word on 
WanScaler yet.





        From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On 
Behalf Of Steve Parr
        Sent: Saturday, September 16, 2006 9:29 AM
        To: thin@xxxxxxxxxxxxx
        Subject: [THIN] WAN Accelerators and WAN Accelerators with CItrix



        Is anyone familiar with WAN Accelerators? One of our network engineers 
is going to begin testing this out. We have offices in North America and 
overseas in Europe. I can understand why he would want to use something like 
this. However because we already use Citrix for most of our overseas remote 
access I am doubting if perhaps the 2 technologies will play together nicely or 
at all and perhaps even confilct. If ICA packets are already wrapped, efficient 
and without real data being passed across the WAN because only mouse and key 
strokes as well as screenupdates are being passed I don't see how a WAN 
accelerator will do much for us. There may be some need to directly access 
intranet or some direct file access outside of Citrix in which case the WAN 
Accelerator concept would make sense via the specialized caching of data being 
employed by this new technology. How have people found the performance of WAN 
Accelerators as well as stability and other issues that may be occuring? And 
will there be issues for ICA packets being "accelerated" or as with 
packetshaping would special priorities and exceptions have to be made? 


        Steve Parr 
        Systems Analyst 

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